Struct taos_query::common::raw::views::DoubleView

pub struct DoubleView { /* private fields */ }

Implementations

impl DoubleView

pub fn len(&self) -> usize

Rows

pub fn as_raw_slice(&self) -> &[f64]

Raw slice of target type.

pub fn as_raw_ptr(&self) -> *const f64

Raw pointer of the slice.

pub fn to_nulls_vec(&self) -> Vec<bool>

Build a nulls vector.

pub fn is_null_iter(&self) -> NullsIter<'_>

A iterator only decide if the value at some row index is NULL or not.

pub fn is_null(&self, row: usize) -> bool

Check if the value at row index is NULL or not.

pub unsafe fn is_null_unchecked(&self, row: usize) -> bool

Unsafe version for [methods.is_null]

pub fn get(&self, row: usize) -> Option<f64>

Get nullable value at row index.

pub unsafe fn get_unchecked(&self, row: usize) -> Option<f64>

Get nullable value at row index.

pub unsafe fn get_ref_unchecked(&self, row: usize) -> Option<*const f64>

pub unsafe fn get_value_unchecked(&self, row: usize) -> BorrowedValue<'_>

pub unsafe fn get_raw_value_unchecked( &self, row: usize ) -> (Ty, u32, *const c_void)

pub fn slice(&self, range: Range<usize>) -> Option<Self>

Create a slice of view.

pub fn iter(&self) -> DoubleViewIter<'_>

A iterator to nullable values of current row.

pub fn to_vec(&self) -> Vec<Option<f64>>

Convert data to a vector of all nullable values.

Trait Implementations

impl Clone for DoubleView

fn clone(&self) -> DoubleView

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DoubleView

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<A: Into<Option<f64>>> FromIterator<A> for DoubleView

fn from_iter<T: IntoIterator<Item = A>>(iter: T) -> Self

Creates a value from an iterator.